Home / 110,716,919.20-166,075,378.80-108,803,731.60

Finding the Fourth Proportional to 110,716,919.20, 166,075,378.80 and 108,803,731.60

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Solution

The fourth proportional to 110,716,919.20, 166,075,378.80 and 108,803,731.60 is: 163,205,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,716,919.20 : 166,075,378.80 = 108,803,731.60 : x
  2. Step 2: Convert to fraction form
    110,716,919.20/166,075,378.80 = 108,803,731.60/x
  3. Step 3: Cross multiply
    110,716,919.20x = 166,075,378.80 × 108,803,731.60
  4. Step 4: Simplify right side
    110,716,919.20x = 18,069,620,940,323,532
  5. Step 5: Solve for x
    x = 18,069,620,940,323,532/110,716,919.20
  6. Step 6: Final answer
    x = 163,205,597.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.